Home / 3,781,820.88-5,672,780.67-1,257,476.13

Finding the Fourth Proportional to 3,781,820.88, 5,672,780.67 and 1,257,476.13

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Solution

The fourth proportional to 3,781,820.88, 5,672,780.67 and 1,257,476.13 is: 1,886,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,820.88 : 5,672,780.67 = 1,257,476.13 : x
  2. Step 2: Convert to fraction form
    3,781,820.88/5,672,780.67 = 1,257,476.13/x
  3. Step 3: Cross multiply
    3,781,820.88x = 5,672,780.67 × 1,257,476.13
  4. Step 4: Simplify right side
    3,781,820.88x = 7,133,386,254,886.50
  5. Step 5: Solve for x
    x = 7,133,386,254,886.50/3,781,820.88
  6. Step 6: Final answer
    x = 1,886,230.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.